Add thin layer over StringMap to form StringSet. By Mikhail Glushenkov.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51048 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Anton Korobeynikov 2008-05-13 15:03:16 +00:00
parent 16db1f70b7
commit e269f434b1

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//===--- StringSet.h - The LLVM Compiler Driver -----------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open
// Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// StringSet - A set-like wrapper for the StringMap.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_ADT_STRINGSET_H
#define LLVM_ADT_STRINGSET_H
#include "llvm/ADT/StringMap.h"
#include <cassert>
namespace llvm {
/// StringSet - A wrapper for StringMap that provides set-like
/// functionality. Only insert() and count() methods are used by my
/// code.
template <class AllocatorTy = llvm::MallocAllocator>
class StringSet : public llvm::StringMap<char, AllocatorTy> {
typedef llvm::StringMap<char, AllocatorTy> base;
public:
void insert (const std::string& InLang) {
assert(!InLang.empty());
const char* KeyStart = &InLang[0];
const char* KeyEnd = KeyStart + InLang.size();
base::insert(llvm::StringMapEntry<char>::
Create(KeyStart, KeyEnd, base::getAllocator(), '+'));
}
};
}
#endif // LLVM_ADT_STRINGSET_H